From f6bcb00de79cbfecaafa8f6c6b4bfa8ffd7116d7 Mon Sep 17 00:00:00 2001
From: Chris Gahan <chris@ill-logic.com>
Date: Thu, 5 Apr 2007 13:52:41 +0000
Subject: Some new feature(s)!

---
 data/rbot/plugins/search.rb-epipatch | 108 +++++++++++++++++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 data/rbot/plugins/search.rb-epipatch

diff --git a/data/rbot/plugins/search.rb-epipatch b/data/rbot/plugins/search.rb-epipatch
new file mode 100644
index 00000000..5ead2074
--- /dev/null
+++ b/data/rbot/plugins/search.rb-epipatch
@@ -0,0 +1,108 @@
+require 'uri'
+
+Net::HTTP.version_1_2
+
+GOOGLE_WAP_LINK = /<a accesskey="(\d)" href=".*?u=(.*?)">(.*?)<\/a>/im
+GOOGLE_CALC_RESULT = %r{<p><table><tr><td><img src=/images/calc_img\.gif></td><td>&nbsp;</td><td nowrap><font size=\+1><b>(.+)</b></td></tr><tr><td>}
+
+class SearchPlugin < Plugin
+  def help(plugin, topic="")
+    case topic
+    when "search"
+      "search <string> => search google for <string>"
+    when "google"
+      "google <string> => search google for <string>"
+    when "gcalc"
+      "gcalc <equation> => use the google calculator to find the answer to <equation>"
+    when "wp"
+      "wp [<code>] <string> => search for <string> on Wikipedia. You can select a national <code> to only search the national Wikipedia"
+    else
+      "search <string> (or: google <string>) => search google for <string> | wp <string> => search for <string> on Wikipedia | gcalc <equation> => use google calculator to calculate <equation>"
+    end
+  end
+
+  def google(m, params)
+    what = params[:words].to_s
+    searchfor = URI.escape what
+    # This method is also called by other methods to restrict searching to some sites
+    if params[:site]
+      site = "site:#{params[:site]}+"
+    else
+      site = ""
+    end
+    # It is also possible to choose a filter to remove constant parts from the titles
+    # e.g.: "Wikipedia, the free encyclopedia" when doing Wikipedia searches
+    filter = params[:filter] || ""
+
+    url = "http://www.google.com/wml/search?q=#{site}#{searchfor}"
+
+    begin
+      wml = @bot.httputil.get_cached(url)
+    rescue => e
+      m.reply "error googling for #{what}"
+      return
+    end
+    results = wml.scan(GOOGLE_WAP_LINK)
+    if results.length == 0
+      m.reply "no results found for #{what}"
+      return
+    end
+    results = results[0...3].map { |res|
+      n = res[0]
+      t = Utils.decode_html_entities res[2].gsub(filter, '').strip
+      u = URI.unescape res[1]
+      "#{n}. #{Bold}#{t}#{Bold}: #{u}"
+    }.join(" | ")
+
+    m.reply "Results for #{what}: #{results}"
+  end
+
+  def gcalc(m, params)
+    what = params[:words].to_s
+    searchfor = URI.escape(what).sub('+','%2B')
+    
+    puts "Getting gcalc thing: #{searchfor.inspect}"
+    url = "http://www.google.com/search?q=#{searchfor}"
+
+    begin
+      html = @bot.httputil.get_cached(url)
+    rescue => e
+      m.reply "error googlecalcing #{what}"
+      return
+    end
+
+    puts "#{html.size} bytes of html recieved"
+    
+    results = html.scan(GOOGLE_CALC_RESULT)
+    puts "results: #{results.inspect}"
+    
+    if results.length != 1
+      m.reply "couldn't calculate #{what}"
+      #puts html
+      return
+    end
+    
+    result = results[0][0]
+    result.gsub!("<font size=-2> </font>", ",")
+    puts "replying with: #{result.inspect}"
+    m.reply "#{result}"
+  end
+
+  def wikipedia(m, params)
+    lang = params[:lang]
+    site = "#{lang.nil? ? '' : lang + '.'}wikipedia.org"
+    params[:site] = site
+    params[:filter] = / - Wikipedia.*$/
+    return google(m, params)
+  end
+  
+end
+
+plugin = SearchPlugin.new
+
+plugin.map "search *words", :action => 'google'
+plugin.map "google *words", :action => 'google'
+plugin.map "gcalc *words", :action => 'gcalc'
+plugin.map "wp :lang *words", :action => 'wikipedia', :requirements => { :lang => /^\w\w\w?$/ }
+plugin.map "wp *words", :action => 'wikipedia'
+
-- 
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